![](\"http:\/\/image.doit.com.cn\/uploadpic\/2012\/1207\/8306161.jpg\")
<\/div>\n\u73b0\u6709\u7684vSphere\u89e3\u51b3\u4e86\u4e00\u90e8\u5206\u95ee\u9898\uff0c\u4f46\u662f\u8fd8\u6709\u5f88\u591a\u65b9\u9762\u53ef\u4ee5\u63d0\u9ad8…<\/p>\n
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\u5982\u679c\u80fd\u591f… \u6839\u636e\u4e00\u5b9a\u7b56\u7565\u628a\u5f02\u6784\u7684\u5b58\u50a8\u8bbe\u5907\u62bd\u8c61\u6210\u865a\u62df\u8d44\u6e90\u6c60?<\/p>\n \u6839\u636e\u8fd9\u5f20\u6f14\u8bb2PPT\uff0c\u5e95\u5c42\u4e3a\u4e0d\u540c\u7684\u5f02\u6784\u5b58\u50a8\u786c\u4ef6\uff0c\u53ef\u4ee5\u6709SAN\u3001NAS\uff0c\u4e5f\u53ef\u4ee5\u662f\u670d\u52a1\u5668\u672c\u5730DAS\u76f4\u8fde\u7684SSD(\u56fa\u6001\u76d8)\u6216\u8005\u4f20\u7edfHDD\u786c\u76d8\u3002\u5411\u4e0a\u805a\u5408\u5230 A\u548cB\u4e24\u4e2a\u865a\u62df\u5b58\u50a8\u6c60\u4e2d\uff0c\u8fd9\u5c31\u662fVMware\u6240\u8c13\u7684“\u8f6f\u4ef6\u5b9a\u4e49\u7684\u5b58\u50a8(Software Defined Storage)”?<\/p>\n \u865a\u62df\u5b58\u50a8\u6c60\u5df2\u7ecf\u4e3a\u4f60\u7684\u865a\u62df\u673a\u5b9e\u73b0\u4e86\u4e0d\u540c\u7684policy(\u7b56\u7565)\uff0c\u4f60\u5728\u521b\u5efa\u4e00\u4e2a\u865a\u62df\u673a\u7684\u65f6\u5019\u53ea\u9700\u8981\u5236\u5b9a\u8fd9\u4e2a\u865a\u62df\u673a\u7684\u5177\u4f53\u7b56\u7565\u3002<\/p>\n \u5728\u57fa\u4e8e\u865a\u62df\u673a\u7684\u8f6f\u4ef6\u5b9a\u4e49\u5b58\u50a8\u7b56\u7565\u5411\u5bfc\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u53ea\u9700\u8bbe\u5b9a\u4e00\u4e2aVM\u7684\u5927\u5c0f(\u6bd4\u5982\u521d\u59cb\u9884\u755910GB\uff0c\u4e0a\u9650100GB)\u3001RTO(\u6062\u590d\u65f6\u95f4\u70b9\u4e3a3\u5c0f\u65f6)\u548cIOPS\u6027\u80fd(\u9884\u7559\u4e0d\u4f4e\u4e8e200\uff0c\u4e0a\u9650\u4e3a1000)\u3002<\/p>\n \u5728\u7406\u60f3\u7684\u60c5\u51b5\u4e0b\uff0c\u4efb\u4f55\u5b58\u50a8\u4e0a\u8fd0\u884c\u7684\u5e94\u7528\u90fd\u80fd\u591f\u5728\u7528\u6237\u5b9a\u4e49\u7684\u7b56\u7565\u9a71\u52a8\u4e0b\u81ea\u52a8\u5de5\u4f5c\u3002\u901a\u8fc7\u8ba9\u5b58\u50a8\u4e86\u89e3\u865a\u62df\u673a\u7684\u4fe1\u606f(\u800c\u4e0d\u662f\u50cfVASA\u90a3\u6837\u611f\u77e5\u9635\u5217\u8bbe\u5907)\uff0c\u4ee5\u53caVirtual Flash\u6765\u589e\u5f3aSAN\/NAS\u3002<\/p>\n vSphere\u6a2a\u5411\u6269\u5c55\u76f4\u8fde\u5b58\u50a8(DAS)——\u6211\u4eec\u66fe\u7ecf\u5728VSA(vSphere Storage 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VMware\u63d0\u51fa\u5c06\u5b58\u50a8\u548c\u8ba1\u7b97\u5728vSphere\u7684\u73af\u5883\u4e0b\u6574\u5408\u8d77\u6765\uff0c\u7528vCenter\u8fdb\u884c\u7edf\u4e00\u7ba1\u7406\u3002\u6548\u679c\u662f\u4f7f\u5b58\u50a8\u80fd\u591f\u5bb9\u6613\u6269\u5c55\uff0c\u5e76\u4e14\u53ef\u4ee5\u5229\u7528SSD\u8fdb\u884c\u7f13\u5b58\uff08\u5e94\u8be5\u6307\u4e0a\u9762\u63d0\u5230\u7684Virtual Flash\uff09\uff0c\u5185\u7f6e\u5197\u4f59\u529f\u80fd\uff08\u591a\u526f\u672c\uff1f\uff09\uff1b\u51cf\u5c11\u5728\u5b58\u50a8\u4e0a\u7684\u8d44\u91d1\u6295\u5165\u3002 <\/p>\n \u672a\u6765\u7684VMware\u5206\u5e03\u5f0f\u5b58\u50a8\uff0c\u4e0evSphere\u73b0\u5728\u63d0\u4f9b\u7684\u6570\u636e\u670d\u52a1\u529f\u80fd\u7d27\u5bc6\u7ed3\u5408\u3002<\/p>\n \u9ad8\u6548\u65b9\u9762\uff0c\u57fa\u4e8eSSD\u7684Cache——\u4e3a\u541e\u5410\u7387\u548c\u5ef6\u8fdf\u505a\u4e86\u4f18\u5316\uff0c\u7c7b\u4f3c\u4e8eEMC VFCache\u3001Fusion-io ioTurbine\u3001LSI 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\u9996\u5148\uff0cVSA\u9488\u5bf9\u5c0f\u89c4\u6a21\u90e8\u7f72\u63d0\u4f9b\u7b80\u5355\u7684\u5171\u4eab\u5b58\u50a8\uff0c\u540e\u8005\u5219\u662f\u53ef\u6269\u5c55\u7684\u5206\u5e03\u5f0f\u5b58\u50a8\uff1bVSA\u662f\u4e2a\u865a\u62df\u8bbe\u5907\uff0c\u800cDistributed Storage\u96c6\u6210\u5728vSphere\u91cc\uff1b\u76ee\u6807\u5e02\u573a\u4e00\u4e2a\u662f\u4e2d\u5c0f\u578b\u4f01\u4e1a\u548c\u5206\u652f\u673a\u6784\uff0c\u53e6\u4e00\u4e2a\u662f\u4f01\u4e1a\u7ea7\uff1bVSA\u53ea\u652f\u63012-3\u53f0\u7269\u7406\u670d\u52a1\u5668\uff0c\u800c Distributed Storage\u53ef\u4ee5\u8fbe\u5230\u6574\u4e2a\u96c6\u7fa4\u7cfb\u7edf\u3002<\/p>\n \u6b64\u5916\uff0cVSA\u6ca1\u6709SSD\u7f13\u5b58\u4e14\u6700\u591a\u652f\u630116TB\u7684\u5bb9\u91cf\uff1bDistributed Storage\u652f\u6301SSD\u7f13\u5b58\uff0c\u7ba1\u7406\u4e0a\u4e0evCenter\u6574\u5408\u3002<\/p>\n \u653e\u773c\u672a\u6765\u7684\u67b6\u6784\u3001\u90e8\u7f72VM\u66f4\u52a0\u8fc5\u901f<\/strong> <\/p>\n \u8ba9\u6211\u4eec\u4ece\u4e0b\u5f80\u4e0a\u770b\uff1a\u5de6\u8fb9\u662f\u5bf9\u73b0\u6709\u4f20\u7edf\u5b58\u50a8SAN\/NAS\u7684\u63d0\u5347——\u63d0\u4ea4\u4e3a\u865a\u62df\u5377\uff0c\u53ef\u4ee5\u7ee7\u7eed\u4fdd\u7559\u5408\u4f5c\u4f19\u4f34\u7684\u6570\u636e\u670d\u52a1\uff08\u5373\u4f20\u7edf\u5b58\u50a8\u9635\u5217\u5382\u5546\u7684\u7cbe\u7b80\u914d\u7f6e\u3001\u5feb\u7167\u3001\u95ea\u5b58\u4f18\u5316\u7b49\u8f6f\u4ef6\u529f\u80fd\uff09\uff1b\u53f3\u8fb9\u4e3a\u4f7f\u7528\u670d\u52a1\u5668\u5185\u7f6e\u786c\u76d8\u5b9e\u73b0\u6c34\u5e73\u6269\u5c55\uff08Scale-out\uff09——\u5206\u5e03\u5f0f\u5b58\u50a8\u3002<\/p>\n \u63a5\u4e0b\u6765\u662fVMware\u7684\u6570\u636e\u670d\u52a1\uff0c\u5206\u5e03\u5f0f\u5b58\u50a8\u4e3b\u8981\u4f9d\u8d56\u8fd9\u4e9b\u4e86\uff1b\u518d\u5f80\u4e0a\u662f\u57fa\u4e8e\u7b56\u7565\u7684\u5b58\u50a8\u7ba1\u7406\uff0c\u6784\u6210\u4e86\u6574\u4e2a“\u8f6f\u4ef6\u5b9a\u4e49\u5b58\u50a8”\u67b6\u6784\u3002<\/p>\n VMware\u53f7\u79f0“\u5bf9\u6240\u6709\u7c7b\u578b\u7684\u5e94\u7528\u5728\u5404\u79cd\u5b58\u50a8\u8bbe\u5907\u4e0a\u5b9e\u73b0\u81ea\u52a8\u5316\u7ba1\u7406”\uff0c\u7b14\u8005\u8ba4\u4e3a\u5728\u5f53\u524d\u57fa\u7840\u4e0a\u6700\u5927\u7684\u6539\u8fdb\u662f“\u6df1\u84dd\u8272”\u90e8\u5206\uff0c\u4e5f\u5c31\u662f\u5bf9DAS\u7684\u652f\u6301\uff0c\u5b9e\u73b0\u76ee\u524d\u78c1\u76d8\u9635\u5217\u666e\u904d\u5177\u5907\u7684\u4e3b\u8981\u8f6f\u4ef6\u529f\u80fd\u3002 <\/p>\n \u5728vSphere 4\u65f6\u4ee3\uff0c\u90e8\u7f72\u4e00\u53f0\u865a\u62df\u673a\u9700\u8981\u7ecf\u8fc7\uff1a\u786e\u5b9a\u9700\u6c42——\u627e\u5230\u6700\u4f18\u5316\u7684datastore——\u521b\u5efaVM\uff0c\u540e\u9762\u8fd8\u6709\u5b9a\u671f\u68c0\u67e5\u7684\u6b65\u9aa4\u3002\u5230\u4e86vSphere 5\u4e4b\u540e\uff0c\u7531\u4e8e\u52a0\u5165\u4e86Storage DRS\u548c\u914d\u7f6e\u6587\u4ef6\u9a71\u52a8\u7684\u5b58\u50a8\uff08\u6211\u7406\u89e3\u662fStorage I\/O 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